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An alloy of nickel and tin has 20 % nickel. Another alloy of nickel and copper has nickel and copper in the ratio 1 ∶ 5. Both the alloys are mixed in the ratio 2 ∶ 5. Quantity of tin is what percent more/less than the quantity of nickel in the final alloy?
An alloy of Nickel and Chromium is to be made such that the alloy comprises of 80% Nickel and 20% Chromium. Mixture A comprises of 60% Nickel and 40% Chromium, while mixture B comprises of 90% Nickel and 10% Chromium. In what ratio should the mixtures be mixed in order to obtain the desired alloy?
Two boys are playing on a ground. Both the boys are less than 10 years old. Age of the younger boy is equal to the cube root of the product of the age of the two boys. If we place the digit representing the age of the younger boy to the left of the digit representing the age of the elder boy, we get the age of the father of the younger boy. Similarly, we place the digit representing the age of the elder boy to the left of the digit representing the age of the younger boy and divide the figure by 2, we get the age of the mother of the younger boy. The mother of the younger boy is younger than his father by 3 years. Then, what are the ages of elder and younger boys ?
With reference to the Superalloy, consider the following statements: 1. It is an alloy that exhibits excellent mechanical strength and resistance to creep at low temperatures. 2. Base alloying element of Superalloy is usually nickel, cobalt, or nickel-iron. 3. It develops low-temperature strength through solid solution strengthening.  Which of the above statement is/are correct?
Consider the following statements: 1. The Chairperson of a Panchayat at the district level is elected in such manner as the Legislature of the State may provide. 2. Legislature of a State may provide for representation of members of the Legislative Assembly of the State representing constituencies which comprise wholly or partly a Panchayat area at a level other than the village level, in such Panchayat. 3. The Lok Sabha may provide for the representation of its members representing constituencies which comprise wholly or partly a Panchayat area at a level other than the village level, in such Panchayat. Which of the statements given above is/are correct?
Consider the following statements regarding Gini Coefficient. 1. Gini Coefficient only looks at the distribution of incomes or wealth among a nation's residents. 2. Gini Coefficient ranges from 0 to 1, with 0 representing perfect inequality and 1 representing perfect equality. Which of the above statements is/are correct?
Nickel percentage in invar which is an iron-nickel alloy, and is used as a thermocouple material is
Invar tapes used for measuring base lines, is made of nickel-iron alloy containing nickel
In an alloy of German silver, the ratio of copper to zinc was 21 : 16 while that of nickel to zinc was 7 : 24 What was the ratio of copper to zinc to nickel in the alloy?
M and N are two alloys of nickel and zinc in the ratio of 5 ∶ 3 and 5 ∶ 11 respectively. If M and N are mixed to form an alloy P with an equal proportion of nickel and zinc,what is the ratio of alloys M and N in the new alloy P?